66784419

素因数分解:

$3^{11}\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:75

約数の個数: 48

約数和(自身を含む): 111602400

約数和(自身を除く): 44817981

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 243, 261, 351, 377, 729, 783, 1053, 1131, 2187, 2349, 3159, 3393, 6561, 7047, 9477, 10179, 19683, 21141, 28431, 30537, 59049, 63423, 85293, 91611, 177147, 190269, 255879, 274833, 570807, 767637, 824499, 1712421, 2302911, 2473497, 5137263, 7420491, 22261473, 66784419]

約数ペア:

[(1, 66784419), (3, 22261473), (9, 7420491), (13, 5137263), (27, 2473497), (29, 2302911), (39, 1712421), (81, 824499), (87, 767637), (117, 570807), (243, 274833), (261, 255879), (351, 190269), (377, 177147), (729, 91611), (783, 85293), (1053, 63423), (1131, 59049), (2187, 30537), (2349, 28431), (3159, 21141), (3393, 19683), (6561, 10179), (7047, 9477)]